10/03/2014 06:51 EDT | Updated 10/06/2014 12:59 EDT

Chris Hadfield's Simple Tip To Change The World

Few people on Earth have the same perspective on the world as Chris Hadfield. The retired astronaut and former Commander of the International Space Station has had the unique experience of seeing "all seven billion people in 90 minutes" from the vantage point of space, and it's changed his goals in life. In this AOL Conversation Starter filmed at We Day 2014 in Toronto, find out which cause is dearest to his heart, and his one easy tip to change the world. Hint: it's all about you.

Also on HuffPost